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1 /** @file |
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2 * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: ContentDirectory utils |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include <uri8.h> |
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22 #include "upnpcdutils.h" |
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23 #include "upnpcontentdirectoryglobals.h" |
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24 #include "upnpdominterface.h" |
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25 #include "upnperror.h" |
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26 #include "upnpcommonupnplits.h" |
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27 #include "upnpstring.h" |
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28 #include "upnpcons.h" |
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29 #include <utf.h> |
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30 #include <xmlengdocument.h> |
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31 #include <e32math.h> |
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32 |
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33 // ============================ MEMBER FUNCTIONS =============================== |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // CUpnpContentDirectoryDb::RemoveWhiteSpacesL |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 void UpnpCdUtils::RemoveWhiteSpacesL(TDes8& aString) |
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40 { |
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41 for(TInt i=0; i<aString.Length(); i++) |
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42 { |
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43 if( aString[i] == ' ' |
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44 || aString[i] == '\r' |
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45 || aString[i] == '\n' |
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46 || aString[i] == '\t') |
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47 { |
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48 aString.Replace(i,1,_L8("")); |
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49 i--; |
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50 } |
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51 } |
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52 } |
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53 |
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54 // ----------------------------------------------------------------------------- |
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55 // UpnpCdUtils::IsWhiteString |
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56 // (other items were commented in a header). |
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57 // ----------------------------------------------------------------------------- |
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58 // |
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59 TBool UpnpCdUtils::IsWhiteString(const TDesC8& aString) |
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60 { |
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61 TBool ret = ETrue; |
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62 for(TInt i = 0; i < aString.Length(); i++) |
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63 { |
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64 if( !( aString[i] == '\n' || |
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65 aString[i] == '\r' || |
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66 aString[i] == ' ' || |
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67 aString[i] == '\t' ) ) |
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68 { |
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69 ret = EFalse; |
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70 break; |
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71 } |
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72 } |
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73 return ret; |
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74 } |
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75 // ----------------------------------------------------------------------------- |
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76 // UpnpCdUtils::GetObjectElementL |
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77 // (other items were commented in a header). |
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78 // ----------------------------------------------------------------------------- |
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79 // |
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80 TXmlEngElement UpnpCdUtils::GetObjectElementL(RXmlEngDocument& aFragment) |
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81 { |
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82 TXmlEngElement element; |
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83 // try to get container |
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84 UpnpDomInterface::GetElementL( aFragment.DocumentElement(), element, KContainer ); |
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85 if(element.IsNull()) |
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86 { // this is not a container |
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87 // try to get an item |
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88 UpnpDomInterface::GetElementL( aFragment.DocumentElement(), element, KItem ); |
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89 if(element.IsNull()) |
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90 { // this is neither an item - error |
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91 User::Leave(EInvalidArgs); |
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92 } |
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93 } |
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94 return element; |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // UpnpCdUtils::HasRefIdL |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 TBool UpnpCdUtils::HasRefIdL( RXmlEngDocument& aFragment ) |
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102 { |
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103 TXmlEngElement object = UpnpCdUtils::GetObjectElementL( aFragment ); |
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104 //reference id value |
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105 TPtrC8 refID = UpnpDomInterface::GetAttrValueL( object, KRefID ); |
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106 return !refID.CompareF( KNullDesC8 ) ? EFalse : ETrue; |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 // UpnpCdUtils::EncodeXmlStringL |
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111 // (other items were commented in a header). |
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112 // ----------------------------------------------------------------------------- |
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113 // |
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114 HBufC8* UpnpCdUtils::EncodeXmlStringL(const TDesC8& aString) |
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115 { |
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116 // new buffer size |
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117 TInt extensionSize = 0; |
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118 for(TInt i = 0; i < aString.Length(); i++) |
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119 { |
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120 if(aString[i] == '&') extensionSize += KEtAmp().Length() - 1; |
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121 else if(aString[i] == '<') extensionSize += KEtlt().Length() - 1; |
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122 else if(aString[i] == '>') extensionSize += KEtgt().Length() - 1; |
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123 else if(aString[i] == '\"') extensionSize += KEtQuot().Length() - 1; |
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124 else if(aString[i] == '\'') extensionSize += KEtApos().Length() - 1; |
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125 } |
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126 |
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127 // alloc new buffer |
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128 HBufC8* ret = HBufC8::NewLC(aString.Length() + extensionSize); |
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129 TPtr8 retPtr(ret->Des()); |
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130 retPtr.Copy(aString); |
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131 |
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132 // replace |
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133 for(TInt i = 0; i < retPtr.Length(); i++) |
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134 { |
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135 if(retPtr[i] == '&') retPtr.Replace(i, 1, KEtAmp); |
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136 else if(retPtr[i] == '<') retPtr.Replace(i, 1, KEtlt); |
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137 else if(retPtr[i] == '>') retPtr.Replace(i, 1, KEtgt); |
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138 else if(retPtr[i] == '\"') retPtr.Replace(i, 1, KEtQuot); |
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139 else if(retPtr[i] == '\'') retPtr.Replace(i, 1, KEtApos); |
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140 } |
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141 |
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142 // clean up |
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143 CleanupStack::Pop(ret); |
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144 |
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145 return ret; |
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146 } |
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147 // ----------------------------------------------------------------------------- |
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148 // UpnpCdUtils::ReplaceTrueFalse |
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149 // (other items were commented in a header). |
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150 // ----------------------------------------------------------------------------- |
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151 // |
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152 void UpnpCdUtils::ReplaceTrueFalse(HBufC8* aBuf) |
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153 { |
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154 TPtr8 ptr(aBuf->Des()); |
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155 TInt pos; |
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156 // false -> 0 |
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157 pos = ptr.FindC(KFalseString8); |
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158 if (pos != KErrNotFound) |
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159 { |
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160 ptr.Replace(pos, KFalseString8().Length(), KFalseValue8); |
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161 } |
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162 // true -> 1 |
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163 pos = ptr.FindC(KTrueString8); |
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164 if (pos != KErrNotFound) |
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165 { |
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166 ptr.Replace(pos, KTrueString8().Length(), KTrueValue8); |
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167 } |
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168 } |
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169 // ----------------------------------------------------------------------------- |
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170 // UpnpCdUtils::GetElmNameWithNsL |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 HBufC8* UpnpCdUtils::GetElmNameWithNsL(TXmlEngElement aElement) |
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174 { |
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175 TPtrC8 elmName( aElement.Name() ); |
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176 HBufC8* ret = NULL; |
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177 if( aElement.NamespaceDeclaration().Prefix().Length() ) |
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178 { |
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179 TPtrC8 prefix( aElement.NamespaceDeclaration().Prefix() ); |
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180 ret = HBufC8::NewL(elmName.Length() + prefix.Length() + 1); |
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181 TPtr8 ptr(ret->Des()); |
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182 |
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183 // concatenate prefix and name |
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184 ptr.Copy(prefix); |
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185 ptr.Append(KCol); |
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186 ptr.Append(elmName); |
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187 } |
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188 else |
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189 { |
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190 ret = elmName.AllocL(); |
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191 } |
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192 |
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193 return ret; // the caller should delete it |
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194 } |
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195 |
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196 // ----------------------------------------------------------------------------- |
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197 // UpnpCdUtils::Des8ToDesL |
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198 // (other items were commented in a header). |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 HBufC* UpnpCdUtils::Des8ToDesL(const TDesC8& aString) |
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202 { |
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203 HBufC* ret = Des8ToDesLC(aString); |
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204 CleanupStack::Pop(ret); |
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205 return ret; |
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206 } |
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207 // ----------------------------------------------------------------------------- |
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208 // UpnpCdUtils::Des8ToDesLC |
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209 // (other items were commented in a header). |
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210 // ----------------------------------------------------------------------------- |
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211 // |
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212 HBufC* UpnpCdUtils::Des8ToDesLC(const TDesC8& aString) |
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213 { |
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214 HBufC* ret = UpnpString::ToUnicodeL(aString); |
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215 CleanupStack::PushL(ret); |
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216 return ret; |
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217 } |
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218 // ----------------------------------------------------------------------------- |
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219 // UpnpCdUtils::DesToDes8LC |
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220 // (other items were commented in a header). |
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221 // ----------------------------------------------------------------------------- |
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222 // |
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223 HBufC8* UpnpCdUtils::DesToDes8LC(const TDesC& aString) |
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224 { |
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225 HBufC8* ret = UpnpString::FromUnicodeL(aString); |
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226 CleanupStack::PushL(ret); |
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227 return ret; |
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228 } |
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229 // ----------------------------------------------------------------------------- |
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230 // UpnpCdUtils::ResIdFromUriL |
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231 // ----------------------------------------------------------------------------- |
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232 // |
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233 TInt64 UpnpCdUtils::ResIdFromUriL(const TDesC8& aUri) |
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234 { |
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235 TUriParser8 up; |
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236 User::LeaveIfError(up.Parse(aUri)); |
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237 TPtrC8 path(up.Extract(EUriPath)); |
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238 if (path.Length() == 0) |
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239 { |
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240 User::Leave(KErrNotFound); |
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241 } |
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242 |
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243 if(path[0] == '/') |
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244 { |
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245 path.Set(path.Mid(1)); |
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246 } |
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247 TInt index = path.Locate(TChar('/')); |
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248 |
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249 if ((index>0)&&(index != KMaxIDResLength)) |
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250 { |
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251 User::Leave(KErrNotFound); |
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252 } |
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253 TLex8 lexer(path); |
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254 TInt64 ret; |
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255 User::LeaveIfError(lexer.Val(ret)); |
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256 return ret; |
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257 } |
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258 // ----------------------------------------------------------------------------- |
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259 // UpnpCdUtils::ResIdFromUriL |
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260 // (other items were commented in a header). |
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261 // ----------------------------------------------------------------------------- |
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262 // |
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263 TPtrC8 UpnpCdUtils::ResIdFromUriDesL(const TDesC8& aUri) |
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264 { |
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265 TUriParser8 up; |
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266 User::LeaveIfError(up.Parse(aUri)); |
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267 TPtrC8 path(up.Extract(EUriPath)); |
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268 if (path.Length() == 0) |
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269 { |
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270 User::Leave(KErrNotFound); |
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271 } |
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272 |
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273 if(path[0] == '/') |
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274 { |
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275 path.Set(path.Mid(1)); |
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276 } |
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277 |
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278 TInt index = path.Locate(TChar('/')); |
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279 |
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280 if (index > 0) |
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281 { |
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282 path.Set(path.Left(index)); |
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283 } |
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284 |
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285 return path; |
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286 } |
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287 // ----------------------------------------------------------------------------- |
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288 // UpnpCdUtils::SetObjectIdL |
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289 // (other items were commented in a header). |
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290 // ----------------------------------------------------------------------------- |
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291 // |
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292 void UpnpCdUtils::SetObjectIdL(TXmlEngElement aElement, TInt aId) |
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293 { |
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294 TXmlEngAttr idAttr = aElement.AttributeNodeL(KIdAttrName()); |
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295 TBuf8<KMaxIntegerLen> idVal; |
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296 idVal.Num(aId); |
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297 if(idAttr.NotNull()) |
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298 { |
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299 idAttr.SetValueL(idVal); |
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300 } |
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301 else |
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302 { |
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303 aElement.AddNewAttributeL(KIdAttrName(), idVal); |
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304 } |
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305 } |
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306 // ----------------------------------------------------------------------------- |
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307 // UpnpCdUtils::SetObjectRefIdL |
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308 // ----------------------------------------------------------------------------- |
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309 // |
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310 void UpnpCdUtils::SetObjectRefIdL(TXmlEngElement aElement, TInt aRefId) |
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311 { |
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312 TXmlEngAttr refIdAttr = aElement.AttributeNodeL( KRefID() ); |
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313 TBuf8<KMaxIntegerLen> refIdVal; |
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314 refIdVal.Num( aRefId ); |
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315 if( refIdAttr.NotNull() ) |
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316 { |
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317 refIdAttr.SetValueL( refIdVal ); |
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318 } |
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319 else |
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320 { |
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321 aElement.AddNewAttributeL( KRefID(), refIdVal ); |
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322 } |
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323 } |
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324 |
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325 // ----------------------------------------------------------------------------- |
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326 // UpnpCdUtils::SetObjectParentIdL |
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327 // ----------------------------------------------------------------------------- |
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328 // |
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329 void UpnpCdUtils::SetObjectParentIdL(TXmlEngElement aElement, TInt aParentId) |
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330 { |
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331 TXmlEngAttr parentIdAttr = aElement.AttributeNodeL( KParentID() ); |
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332 TBuf8<KMaxIntegerLen> parentIdVal; |
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333 parentIdVal.Num( aParentId ); |
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334 if( parentIdAttr.NotNull() ) |
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335 { |
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336 parentIdAttr.SetValueL( parentIdVal ); |
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337 } |
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338 else |
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339 { |
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340 aElement.AddNewAttributeL( KParentID(), parentIdVal ); |
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341 } |
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342 } |
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343 // ----------------------------------------------------------------------------- |
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344 // UpnpCdUtils::SetRestrictedFieldL |
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345 // ----------------------------------------------------------------------------- |
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346 // |
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347 void UpnpCdUtils::SetRestrictedFieldL(TXmlEngElement aElement, TBool aRestrictedFlag) |
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348 { |
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349 TXmlEngAttr restrictedField = aElement.AttributeNodeL( KRestricted() ); |
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350 TBuf8<KMaxIntegerLen> restrictedVal; |
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351 |
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352 if( aRestrictedFlag ) |
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353 { |
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354 restrictedVal.Copy( KTrueValue8 ); |
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355 } |
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356 else |
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357 { |
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358 restrictedVal.Copy( KFalseValue8 ); |
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359 } |
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360 |
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361 if( restrictedField.NotNull() ) |
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362 { |
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363 restrictedField.SetValueL( restrictedVal ); |
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364 } |
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365 else |
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366 { |
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367 aElement.AddNewAttributeL( KRestricted(), restrictedVal ); |
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368 } |
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369 } |
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370 |
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371 // UpnpCdUtils::SetObjectIdL |
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372 // (other items were commented in a header). |
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373 // ----------------------------------------------------------------------------- |
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374 // |
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375 void UpnpCdUtils::SetContainerIdL(TXmlEngElement aElement, TInt aParentId) |
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376 { |
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377 TXmlEngAttr idAttr = aElement.AttributeNodeL(KParentID()); |
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378 TBuf8<KMaxIntegerLen> idVal; |
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379 idVal.Num(aParentId); |
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380 if(idAttr.NotNull()) |
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381 { |
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382 idAttr.SetValueL(idVal); |
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383 } |
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384 else |
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385 { |
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386 aElement.AddNewAttributeL(KParentID(), idVal); |
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387 } |
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388 } |
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389 // ----------------------------------------------------------------------------- |
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390 // UpnpCdUtils::IsElementRequiredL |
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391 // (other items were commented in a header). |
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392 // ----------------------------------------------------------------------------- |
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393 // |
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394 TBool UpnpCdUtils::IsElementRequiredL(TXmlEngElement aElement) |
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395 { |
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396 TBool ret = EFalse; |
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397 TXmlEngAttr reqAttr = aElement.AttributeNodeL( KRequiredAtrName() ); |
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398 if(reqAttr.NotNull()) |
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399 { // element required |
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400 ret = ETrue; |
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401 reqAttr.Remove(); |
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402 } |
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403 return ret; |
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404 } |
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405 // ----------------------------------------------------------------------------- |
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406 // UpnpCdUtils::BuildImportUriL |
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407 // (other items were commented in a header). |
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408 // ----------------------------------------------------------------------------- |
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409 HBufC8* UpnpCdUtils::BuildImportUriLC(TInt aResId) |
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410 { |
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411 // get next resId |
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412 TBuf8<KMaxIntegerLen + KRandomRangeLength> num; |
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413 TBuf8<KMaxIntegerLen + KRandomRangeLength> uriId; |
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414 num.Num(aResId); |
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415 uriId.Justify(num, KMaxIntegerLen + KRandomRangeLength, ERight, '0'); |
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416 |
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417 // build uri |
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418 HBufC8* impUri = HBufC8::NewLC( |
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419 KHttpTag().Length() |
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420 + KIpPortPlaceholder8().Length() |
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421 + KSlash8().Length() |
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422 + KMaxLongIntegerLen |
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423 + KRandomRangeLength ); |
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424 TPtr8 impUriPtr(impUri->Des()); |
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425 impUriPtr.Append(KHttpTag); |
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426 impUriPtr.Append(KIpPortPlaceholder8); |
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427 impUriPtr.Append(KSlash8); |
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428 impUriPtr.Append(uriId); |
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429 |
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430 |
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431 return impUri; |
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432 } |
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433 // ----------------------------------------------------------------------------- |
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434 // UpnpCdUtils::BuildImportUriL |
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435 // ----------------------------------------------------------------------------- |
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436 HBufC8* UpnpCdUtils::BuildImportUriShorterLC(TInt64 aResId) |
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437 { |
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438 // get next resId |
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439 TBuf8<KMaxIntegerLen > num; |
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440 TBuf8<KMaxIntegerLen > uriId; |
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441 num.Num(aResId); |
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442 uriId.Justify(num, KMaxIntegerLen , ERight, '0'); |
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443 |
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444 // build uri |
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445 HBufC8* impUri = HBufC8::NewLC( |
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446 KHttpTag().Length() |
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447 + KIpPortPlaceholder8().Length() |
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448 + KSlash8().Length() |
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449 + KMaxLongIntegerLen |
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450 ); |
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451 TPtr8 impUriPtr(impUri->Des()); |
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452 impUriPtr.Append(KHttpTag); |
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453 impUriPtr.Append(KIpPortPlaceholder8); |
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454 impUriPtr.Append(KSlash8); |
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455 impUriPtr.Append(uriId); |
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456 |
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457 |
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458 return impUri; |
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459 } |
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460 // ----------------------------------------------------------------------------- |
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461 // UpnpCdUtils::BuildContentUriL |
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462 // (other items were commented in a header). |
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463 // ----------------------------------------------------------------------------- |
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464 HBufC8* UpnpCdUtils::BuildContentUriL(TInt aResId, const TDesC& aFileExten, |
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465 TDesC8& aObjectId) |
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466 { |
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467 HBufC8* number = UpnpCdUtils::RandomizeL(KRandomMax); |
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468 CleanupStack::PushL(number); |
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469 HBufC8* number2 = UpnpCdUtils::RandomizeL(KRandomMax); |
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470 CleanupStack::PushL(number2); |
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471 |
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472 HBufC8* impUri = BuildImportUriShorterLC(aResId); |
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473 |
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474 HBufC8* fileExten8 = UpnpCdUtils::DesToDes8LC(aFileExten); |
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475 HBufC8* contUri = HBufC8::NewLC( |
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476 impUri->Length() |
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477 + number->Des().Length() |
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478 + number2->Des().Length() |
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479 + KSlash().Length() |
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480 + aObjectId.Length() |
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481 + fileExten8->Length()); |
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482 TPtr8 contUriPtr(contUri->Des()); |
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483 contUriPtr.Copy(*impUri); |
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484 contUriPtr.Append(*number); |
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485 contUriPtr.Append(*number2); |
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486 contUriPtr.Append(KSlash); |
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487 contUriPtr.Append(aObjectId); |
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488 contUriPtr.Append(*fileExten8); |
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489 |
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490 // clean up |
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491 CleanupStack::Pop(contUri); |
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492 CleanupStack::PopAndDestroy(fileExten8); |
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493 CleanupStack::PopAndDestroy(impUri); |
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494 CleanupStack::PopAndDestroy(number2); |
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495 CleanupStack::PopAndDestroy(number); |
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496 return contUri; |
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497 } |
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498 // ----------------------------------------------------------------------------- |
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499 // UpnpCdUtils::RandomizeL |
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500 // ----------------------------------------------------------------------------- |
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501 HBufC8* UpnpCdUtils::RandomizeL(TInt aRange) |
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502 { |
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503 TUint number = Math::Random(); |
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504 number = number % aRange; |
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505 HBufC8* numberDes = HBufC8::NewL(KRandomRangeLength); |
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506 TBuf8<KRandomRangeLength> num; |
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507 num.Num(number); |
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508 numberDes->Des().Justify(num, KRandomRangeLength, ERight, '0'); |
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509 |
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510 return numberDes; |
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511 } |
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512 // ----------------------------------------------------------------------------- |
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513 // UpnpCdUtils::ValidateFilePath |
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514 // ----------------------------------------------------------------------------- |
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515 void UpnpCdUtils::ValidateFilePath(TDes8& aPath) |
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516 { |
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517 // replace |
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518 for(TInt i = 0; i < aPath.Length(); i++) |
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519 { |
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520 if( aPath[i] == ':' && i!=1 || |
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521 aPath[i] == '<' || |
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522 aPath[i] == '>' || |
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523 aPath[i] == '\"' || |
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524 aPath[i] == '/' || |
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525 aPath[i] == '|' || |
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526 aPath[i] == '*' || |
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527 aPath[i] == '?' |
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528 ) |
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529 { |
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530 aPath[i] = '_'; |
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531 } |
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532 } |
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533 } |
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534 // ----------------------------------------------------------------------------- |
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535 // UpnpCdUtils::ValidateFilePath |
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536 // (other items were commented in a header). |
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537 // ----------------------------------------------------------------------------- |
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538 void UpnpCdUtils::ValidateFilePath(TDes& aPath) |
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539 { |
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540 // replace |
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541 for(TInt i = 0; i < aPath.Length(); i++) |
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542 { |
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543 if( aPath[i] == ':' && i!=1 || |
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544 aPath[i] == '<' || |
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545 aPath[i] == '>' || |
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546 aPath[i] == '\"' || |
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547 aPath[i] == '/' || |
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548 aPath[i] == '|' || |
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549 aPath[i] == '*' || |
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550 aPath[i] == '?' |
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551 ) |
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552 { |
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553 aPath[i] = '_'; |
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554 } |
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555 } |
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556 } |
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557 |
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558 |
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559 // ----------------------------------------------------------------------------- |
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560 // UpnpCdUtils::ValidateSrcUriL |
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561 // (other items were commented in a header). |
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562 // ----------------------------------------------------------------------------- |
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563 void UpnpCdUtils::ValidateSrcUriL(TDesC8& aPath,TDesC8& aIp ) |
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564 { |
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565 // Check if parsing is correct |
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566 TUriParser8 srcParser; |
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567 if (!(srcParser.Parse(aPath) == KErrNone)) |
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568 { |
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569 User::Leave( ENoSourceResource ); |
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570 } |
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571 |
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572 // check if source uri is correct one |
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573 TInt pos = aPath.Find(aIp); |
|
574 if(pos != UpnpHTTP::KHTTPUrl().Length()) |
|
575 { |
|
576 User::Leave( ENoSourceResource ); |
|
577 } |
|
578 |
|
579 if (!(aPath.Find( UpnpHTTP::KHTTPUrl ) == 0)) |
|
580 { |
|
581 User::Leave( ENoSourceResource ); |
|
582 } |
|
583 TInt len = UpnpHTTP::KHTTPUrl().Length() + aIp.Length(); |
|
584 if ( aPath.Length() <= len || aPath[ len ] != '/' ) |
|
585 { |
|
586 User::Leave( ENoSourceResource ); |
|
587 } |
|
588 } |
|
589 |
|
590 // ----------------------------------------------------------------------------- |
|
591 // UpnpCdUtils::EscapeAposL |
|
592 // (other items were commented in a header). |
|
593 // ----------------------------------------------------------------------------- |
|
594 HBufC* UpnpCdUtils::EscapeAposL(const TDesC& aValue) |
|
595 { |
|
596 if (aValue.Length()) |
|
597 { |
|
598 HBufC8* value8 = DesToDes8LC(aValue); |
|
599 HBufC8* valueReplaced8 = UpnpString::StringReplaceL(*value8,_L8("'"),_L8("\'\'")); |
|
600 CleanupStack::Pop(value8); |
|
601 HBufC* valueReplaced16 = UpnpCdUtils::Des8ToDesL(*valueReplaced8); |
|
602 delete valueReplaced8; |
|
603 delete value8; |
|
604 return valueReplaced16; |
|
605 } |
|
606 else |
|
607 { |
|
608 HBufC* valueReplaced16 = aValue.AllocL(); |
|
609 return valueReplaced16; |
|
610 } |
|
611 } |
|
612 |
|
613 // ----------------------------------------------------------------------------- |
|
614 // CUpnpElementFactory::ValidateDateL() |
|
615 // Only Those date string is validate |
|
616 // YYYY-MM-DD |
|
617 // YYYY-MM-DDTHH:MM:SS |
|
618 // YYYY-MM-DDTHH:MM:SSZ |
|
619 // YYYY-MM-DDTHH:MM:SS.xxx |
|
620 // YYYY-MM-DDTHH:MM:SS.xxxZ |
|
621 // YYYY-MM-DDTHH:MM:SS+HH:MM |
|
622 // YYYY-MM-DDTHH:MM:SS.xxx+HH:MM |
|
623 // ----------------------------------------------------------------------------- |
|
624 // |
|
625 TBool UpnpCdUtils::ValidateDateL( TPtrC8 aValue ) |
|
626 { |
|
627 TBool wrong = 0; |
|
628 |
|
629 TInt dateLength = aValue.Length(); |
|
630 |
|
631 if ((dateLength!=EDay)&&(dateLength!=ESecond)&& |
|
632 (dateLength!=ETimeOffset1)&&(dateLength!=EMiliSecond)&& |
|
633 (dateLength!=ETimeOffset2)&&(dateLength!=EZone1)&& |
|
634 (dateLength!=EZone2)) |
|
635 { |
|
636 return EFalse; |
|
637 } |
|
638 else |
|
639 { |
|
640 const TChar KColo = ':'; |
|
641 const TChar KMinus = '-'; |
|
642 const TChar KPlus = '+'; |
|
643 const TChar KDot = '.'; |
|
644 const TChar KT = 'T'; |
|
645 const TChar KZ = 'Z'; |
|
646 |
|
647 TChar ch; |
|
648 TLex8 input(aValue); |
|
649 for (TInt i =0; i<aValue.Length();i++) |
|
650 { |
|
651 ch = input.Get(); |
|
652 if ((i!=EYear)&&(i!=EMonth)&&(i!=EDay)&&(i!=EHour)&&(i!=EMinute)&&(i!=ESecond)&&(i!=EHourOffset1)&&(i!=EMiliSecond)&&(i!=EHourOffset2)) |
|
653 { |
|
654 if (!ch.IsDigit()) |
|
655 { |
|
656 wrong = ETrue; |
|
657 break; |
|
658 } |
|
659 } |
|
660 else if (((i==EYear)||(i==EMonth))&&(ch!=KMinus)) |
|
661 { |
|
662 wrong = ETrue; |
|
663 break; |
|
664 } |
|
665 else if ((i==EDay)&&(ch!= KT)) |
|
666 { |
|
667 wrong = ETrue; |
|
668 break; |
|
669 } |
|
670 else if (((i==EHour)||(i==EMinute)||(i==EHourOffset2))&&(ch!=KColo)) |
|
671 { |
|
672 wrong = ETrue; |
|
673 break; |
|
674 } |
|
675 else if (((i==ESecond)&&(dateLength==ETimeOffset1))&&((ch!=KPlus)&&(ch!=KMinus))) |
|
676 { |
|
677 wrong = ETrue; |
|
678 break; |
|
679 } |
|
680 else if (((i==ESecond)&&(dateLength==EZone1))&&(ch!=KZ)) |
|
681 { |
|
682 wrong = ETrue; |
|
683 break; |
|
684 } |
|
685 else if (((i==ESecond)&&((dateLength==ETimeOffset2)||(dateLength==EZone2)||(dateLength==EMiliSecond)))&&(ch!=KDot)) |
|
686 { |
|
687 wrong = ETrue; |
|
688 break; |
|
689 } |
|
690 else if (((i==EHourOffset1)&&(dateLength==ETimeOffset1))&&(ch!=KColo)) |
|
691 { |
|
692 wrong = ETrue; |
|
693 break; |
|
694 } |
|
695 |
|
696 else if ((i==EHourOffset1)&&((dateLength==ETimeOffset2)||(dateLength==EZone2)||(dateLength==EMiliSecond))) |
|
697 { |
|
698 if (!ch.IsDigit()) |
|
699 { |
|
700 wrong = ETrue; |
|
701 break; |
|
702 } |
|
703 } |
|
704 else if (((i==EMiliSecond)&&(dateLength==ETimeOffset2))&&((ch!=KPlus)&&(ch!=KMinus))) |
|
705 { |
|
706 wrong = ETrue; |
|
707 break; |
|
708 } |
|
709 else if (((i==EMiliSecond)&&(dateLength==EZone2))&&(ch!=KZ)) |
|
710 { |
|
711 wrong = ETrue; |
|
712 break; |
|
713 } |
|
714 else if ((i==EMiliSecond)&&(dateLength==ETimeOffset1)) |
|
715 { |
|
716 if (!ch.IsDigit()) |
|
717 { |
|
718 wrong = ETrue; |
|
719 break; |
|
720 } |
|
721 } |
|
722 } |
|
723 } |
|
724 |
|
725 TInt yearInt=0; |
|
726 TInt monthInt=0; |
|
727 TInt dayInt=0; |
|
728 TInt hourInt=0; |
|
729 TInt minuteInt=0; |
|
730 TInt secondInt=0; |
|
731 TInt milisecondInt=0; |
|
732 TInt hhInt=0; |
|
733 TInt mmInt=0; |
|
734 TDateTime a; |
|
735 |
|
736 TPtrC8 yearPtrC = aValue.Left(4); |
|
737 TPtrC8 tmp = aValue.Mid(5); |
|
738 TPtrC8 monthPtrC = tmp.Left(2); |
|
739 tmp.Set(aValue.Mid(8)); |
|
740 TPtrC8 dayPtrC = tmp.Left(2); |
|
741 |
|
742 TLex8 lexer(yearPtrC); |
|
743 lexer.Val(yearInt); |
|
744 lexer.Assign(monthPtrC); |
|
745 lexer.Val(monthInt); |
|
746 monthInt--; |
|
747 TMonth monthEnum = (TMonth)monthInt; |
|
748 lexer.Assign(dayPtrC); |
|
749 lexer.Val(dayInt); |
|
750 |
|
751 if (dateLength>EDay) |
|
752 { |
|
753 tmp.Set(aValue.Mid(11)); |
|
754 TPtrC8 hourPtrC = tmp.Left(2); |
|
755 tmp.Set(aValue.Mid(14)); |
|
756 TPtrC8 minutePtrC = tmp.Left(2); |
|
757 tmp.Set(aValue.Mid(17)); |
|
758 TPtrC8 secondPtrC = tmp.Left(2); |
|
759 lexer.Assign(hourPtrC); |
|
760 lexer.Val(hourInt); |
|
761 lexer.Assign(minutePtrC); |
|
762 lexer.Val(minuteInt); |
|
763 lexer.Assign(secondPtrC); |
|
764 lexer.Val(secondInt); |
|
765 } |
|
766 if ((dateLength==ETimeOffset2)||(dateLength==EZone2)||(dateLength==EMiliSecond)) |
|
767 { |
|
768 tmp.Set(aValue.Mid(20)); |
|
769 TPtrC8 milisecondPtrC = tmp.Left(3); |
|
770 lexer.Assign(milisecondPtrC); |
|
771 lexer.Val(milisecondInt); |
|
772 } |
|
773 if (dateLength==ETimeOffset1) |
|
774 { |
|
775 tmp.Set(aValue.Mid(20)); |
|
776 TPtrC8 hhOffset = tmp.Left(2); |
|
777 tmp.Set(aValue.Mid(23)); |
|
778 TPtrC8 mmOffset = tmp.Left(2); |
|
779 lexer.Assign(hhOffset); |
|
780 lexer.Val(hhInt); |
|
781 |
|
782 if (hhInt>12) |
|
783 { |
|
784 wrong = ETrue; |
|
785 } |
|
786 |
|
787 lexer.Assign(mmOffset); |
|
788 lexer.Val(mmInt); |
|
789 |
|
790 if (mmInt>59) |
|
791 { |
|
792 wrong = ETrue; |
|
793 } |
|
794 } |
|
795 |
|
796 if (dateLength==ETimeOffset2) |
|
797 { |
|
798 tmp.Set(aValue.Mid(24)); |
|
799 TPtrC8 hhOffset = tmp.Left(2); |
|
800 tmp.Set(aValue.Mid(27)); |
|
801 TPtrC8 mmOffset = tmp.Left(2); |
|
802 lexer.Assign(hhOffset); |
|
803 lexer.Val(hhInt); |
|
804 if (hhInt>12) |
|
805 { |
|
806 wrong = ETrue; |
|
807 } |
|
808 lexer.Assign(mmOffset); |
|
809 lexer.Val(mmInt); |
|
810 |
|
811 if (mmInt>59) |
|
812 { |
|
813 wrong = ETrue; |
|
814 } |
|
815 } |
|
816 |
|
817 TInt err = a.Set(yearInt,monthEnum,dayInt,hourInt,minuteInt,secondInt,milisecondInt); |
|
818 if (err<0) |
|
819 { |
|
820 wrong = ETrue; |
|
821 } |
|
822 |
|
823 if (wrong) |
|
824 { |
|
825 return EFalse; |
|
826 } |
|
827 |
|
828 return ETrue; |
|
829 } |
|
830 |
|
831 // ----------------------------------------------------------------------------- |
|
832 // UpnpCdUtils::StringToUint |
|
833 // ----------------------------------------------------------------------------- |
|
834 TInt UpnpCdUtils::StringToTUint(const TDesC8& aStr, TUint* aInt) |
|
835 { |
|
836 if( 0 == aStr.Length() || aInt == NULL) |
|
837 { |
|
838 return KErrArgument; |
|
839 } |
|
840 TLex8 lex( aStr ); |
|
841 return lex.Val( *aInt ); |
|
842 } |
|
843 |
|
844 // ----------------------------------------------------------------------------- |
|
845 // UpnpCdUtils::SplitStringByDelimeter |
|
846 // ----------------------------------------------------------------------------- |
|
847 void UpnpCdUtils::SplitStringByDelimeter(TLex8& aLexeme, TChar aDelimeter) |
|
848 { |
|
849 aLexeme.Mark(); |
|
850 while( (aLexeme.Peek() != aDelimeter) && (!aLexeme.Eos()) ) |
|
851 { |
|
852 aLexeme.Inc(); |
|
853 } |
|
854 } |
|
855 |
|
856 // ----------------------------------------------------------------------------- |
|
857 // UpnpCdUtils::Skip |
|
858 // ----------------------------------------------------------------------------- |
|
859 void UpnpCdUtils::Skip(TLex8& aLexer, TInt aValue) |
|
860 { |
|
861 if(!aLexer.Eos()) |
|
862 { |
|
863 aLexer.Inc(aValue); |
|
864 } |
|
865 } |
|
866 |
|
867 // ----------------------------------------------------------------------------- |
|
868 // UpnpCdUtils::AreDigitsInSpecificRange |
|
869 // ----------------------------------------------------------------------------- |
|
870 TBool UpnpCdUtils::AreDigitsInSpecificRange(const TDesC8& aInput, TInt aNumber, TBool aExactDigitsNumber, TUint32 aRange) |
|
871 { |
|
872 // checking length |
|
873 TInt length = aInput.Length(); |
|
874 |
|
875 if(aExactDigitsNumber) |
|
876 { |
|
877 // if exact number of digits = real number of digits -> ok |
|
878 if(length != aNumber) |
|
879 return EFalse; |
|
880 } |
|
881 else |
|
882 { |
|
883 // if real number of digits fit into specific range -> ok |
|
884 if(length > aNumber || length < 1) |
|
885 return EFalse; |
|
886 } |
|
887 |
|
888 // checking digits |
|
889 for(TInt i=0; i < length; i++) |
|
890 { |
|
891 // if input characters are all digits -> ok |
|
892 TChar tmp( aInput[i] ); |
|
893 if( !tmp.IsDigit() ) |
|
894 return EFalse; |
|
895 } |
|
896 |
|
897 // checking range |
|
898 TLex8 field(aInput); |
|
899 TUint32 value; |
|
900 |
|
901 // if e.g minutes fit into range: 00-59 -> ok |
|
902 TInt err = field.BoundedVal(value, EDecimal, aRange); |
|
903 |
|
904 if(err != KErrNone) |
|
905 return EFalse; |
|
906 |
|
907 return ETrue; |
|
908 } |
|
909 |
|
910 // ----------------------------------------------------------------------------- |
|
911 // UpnpCdUtils::ValidateDurationValueL |
|
912 // ----------------------------------------------------------------------------- |
|
913 TBool UpnpCdUtils::ValidateDurationValue(const TDesC8& aInput) |
|
914 { |
|
915 /* |
|
916 * 7.3.22 MM DIDL-Lite res@duration Format |
|
917 * Requirement [7.3.22.1]: The syntax of the res@duration must be compliant to the following definition: |
|
918 * - duration = hours ":" minutes ":" seconds |
|
919 * - hours = 1*5 DIGIT; 0-99999 |
|
920 * - minutes = 2 DIGIT ; 00-59 |
|
921 * - seconds = 2 DIGIT ["." 3 DIGIT] ; 00-59 (.000-.999) |
|
922 */ |
|
923 TChar KColon(':'); |
|
924 TChar KDot('.'); |
|
925 |
|
926 TInt fieldNum = 1; |
|
927 TLex8 input(aInput); |
|
928 |
|
929 while( !input.Eos() ) |
|
930 { |
|
931 // extract subsequent field |
|
932 SplitStringByDelimeter( input, KColon ); |
|
933 TPtrC8 field( input.MarkedToken() ); |
|
934 |
|
935 // if its length != 0 ... |
|
936 if( field != KNullDesC8() ) |
|
937 { |
|
938 if(fieldNum == 1) |
|
939 { |
|
940 // if 1st field = 1-5 digits in range: 0-99999 -> ok |
|
941 if( !AreDigitsInSpecificRange(field, 5, EFalse, 99999) ) |
|
942 return EFalse; |
|
943 |
|
944 ++fieldNum; |
|
945 } |
|
946 else if(fieldNum == 2) |
|
947 { |
|
948 // if 2nd field = exactly 2 digits in range: 0-59 -> ok |
|
949 if( !AreDigitsInSpecificRange(field, 2, ETrue, 59) ) |
|
950 return EFalse; |
|
951 |
|
952 ++fieldNum; |
|
953 } |
|
954 else if(fieldNum == 3) |
|
955 { |
|
956 TInt length = field.Length(); |
|
957 |
|
958 TLex8 fourth(field); |
|
959 SplitStringByDelimeter( fourth, KDot ); |
|
960 |
|
961 // if 3rd field = exactly 2 digits in range: 0-59 -> ok |
|
962 TPtrC8 leftPart( fourth.MarkedToken() ); |
|
963 if( !AreDigitsInSpecificRange(leftPart, 2, ETrue, 59) ) |
|
964 return EFalse; |
|
965 |
|
966 Skip(fourth, 1); |
|
967 TPtrC8 rightPart( fourth.Remainder() ); |
|
968 |
|
969 // if 3rd field is divided by dot and right part is exactly 3 digits in range: 000-999 -> ok |
|
970 if( rightPart != KNullDesC8() ) |
|
971 { |
|
972 if( !AreDigitsInSpecificRange(rightPart, 3, ETrue, 999) ) |
|
973 return EFalse; |
|
974 } |
|
975 else if( field[length-1] == '.' ) |
|
976 return EFalse; |
|
977 |
|
978 ++fieldNum; |
|
979 } |
|
980 else |
|
981 return EFalse; |
|
982 } |
|
983 else |
|
984 { |
|
985 return EFalse; |
|
986 } |
|
987 |
|
988 Skip(input,1); |
|
989 } |
|
990 |
|
991 // if while loop is completed successfully -> ok |
|
992 if(fieldNum == 4) |
|
993 return ETrue; |
|
994 else |
|
995 return EFalse; |
|
996 } |
|
997 |
|
998 |
|
999 // ----------------------------------------------------------------------------- |
|
1000 // CUpnpContentDirectory::StringToInteger |
|
1001 // ----------------------------------------------------------------------------- |
|
1002 // |
|
1003 TInt UpnpCdUtils::StringToInteger(const TDesC8& aStr, TInt* aInt) |
|
1004 { |
|
1005 if( aStr.Length() == 0 || aInt == NULL) |
|
1006 { |
|
1007 return KErrArgument; |
|
1008 } |
|
1009 |
|
1010 TLex8 lex(aStr); |
|
1011 lex.Mark(); |
|
1012 TBool isFirst = ETrue; |
|
1013 |
|
1014 while( !lex.Eos() ) |
|
1015 { |
|
1016 TChar tmp = lex.Get(); |
|
1017 |
|
1018 if( tmp.IsDigit() ) |
|
1019 { |
|
1020 if(isFirst && tmp == '0' && aStr.Length() > 1) |
|
1021 { |
|
1022 return KErrArgument; |
|
1023 } |
|
1024 } |
|
1025 else |
|
1026 { |
|
1027 return KErrArgument; |
|
1028 } |
|
1029 |
|
1030 isFirst = EFalse; |
|
1031 } |
|
1032 |
|
1033 lex.UnGetToMark(); |
|
1034 return lex.Val( *aInt ); |
|
1035 } |
|
1036 |
|
1037 // End of File |